import axios from 'axios'
import {
  MessageBox,
  Message
} from 'element-ui'
import store from '@/store'
import {
  getToken,
  getTokenName
} from '@/utils/auth'

// create an axios instance
const service = axios.create({
  baseURL: process.env.VUE_APP_BASE_API, // url = base url + request url
  // baseURL: process.env.VUE_APP_DEV_URL, // url = base url + request url
  // withCredentials: true, // send cookies when cross-domain requests
  timeout: 6000 // request timeout
})

// request interceptor
service.interceptors.request.use(
  config => {
    // do something before request is sent

    if (store.getters.token) {
      // let each request carry token
      // ['X-Token'] is a custom headers key
      // please modify it according to the actual situation
      // config.headers['admin-token-admin'] = getToken()
      config.headers[getTokenName()] = getToken()
    }
    return config
  },
  error => {
    // do something with request error
    console.log(error) // for debug
    return Promise.reject(error)
  }
)

// response interceptor
service.interceptors.response.use(
  /**
   * If you want to get http information such as headers or status
   * Please return  response => response
   */

  /**
   * Determine the request status by custom code
   * Here is just an example
   * You can also judge the status by HTTP Status Code
   */
  response => {
    const res = response.data
    if (res.code === 401) {
      MessageBox.confirm('登录信息已过期，请重新登录', '警告', {
        confirmButtonText: '重新登录',
        cancelButtonText: '取消',
        type: 'warning'
      }).then(() => {
        store.dispatch('user/resetToken').then(() => {
          location.reload()
        })
      })
    } else if (res.code !== 200) {
      Message({
        message: res.msg || '系统繁忙',
        type: 'error',
        duration: 5 * 1000
      })

      return Promise.reject(new Error(res.msg || '系统繁忙'))
    } else {
      return res
    }
  },
  error => {
    const data = error.response.data
    if (data.code === 401) {
      MessageBox.confirm(data.msg, '警告', {
        confirmButtonText: '重新登录',
        cancelButtonText: '取消',
        type: 'warning'
      }).then(() => {
        store.dispatch('user/resetToken').then(() => {
          location.reload()
        })
      })
    } else {
      Message({
        message: data.msg || '系统繁忙',
        type: 'error',
        duration: 5 * 1000
      })
    }
    return Promise.reject(error)
  }
)
// if the custom code is not 20000, it is judged as an error.
// if (res.code !== 20000) {
//   Message({
//     message: res.message || 'Error',
//     type: 'error',
//     duration: 5 * 1000
//   })

//   // 50008: Illegal token; 50012: Other clients logged in; 50014: Token expired;
//   if (res.code === 50008 || res.code === 50012 || res.code === 50014) {
//     // to re-login
//     MessageBox.confirm('You have been logged out, you can cancel to stay on this page, or log in again', 'Confirm logout', {
//       confirmButtonText: 'Re-Login',
//       cancelButtonText: 'Cancel',
//       type: 'warning'
//     }).then(() => {
//       store.dispatch('user/resetToken').then(() => {
//         location.reload()
//       })
//     })
//   }
//   return Promise.reject(new Error(res.message || 'Error'))
// } else {
// return res
// }

// error => {
//   console.log('err' + error) // for debug
//   Message({
//     message: error.message,
//     type: 'error',
//     duration: 5 * 1000
//   })
//   return Promise.reject(error)
// }
// )

export default service
